@font-face { font-family: 'BCD Serif'; font-weight: 600; font-display: swap; src: url(../vendor/fonts/serif-600.woff2) format('woff2'); }
@font-face { font-family: 'BCD Serif'; font-weight: 900; font-display: swap; src: url(../vendor/fonts/serif-900.woff2) format('woff2'); }
@font-face { font-family: 'BCD Num'; font-weight: 500; font-display: swap; src: url(../vendor/fonts/barlow-condensed-500.woff2) format('woff2'); }
@font-face { font-family: 'BCD Num'; font-weight: 700; font-display: swap; src: url(../vendor/fonts/barlow-condensed-700.woff2) format('woff2'); }

:root {
  --u: 0.5px;
  --gold-1: #f3e4c2;
  --gold-2: #d4b47a;
  --gold-3: #9c7a45;
  --ink: #07070b;
  --text: #f1ece2;
  --muted: rgba(241,236,226,.52);
  --hair: rgba(212,180,122,.38);
  --font-ui: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-num: "BCD Num", "Bahnschrift", "Roboto Condensed", "Arial Narrow", sans-serif;
  --font-serif: "BCD Serif", "Noto Serif SC", "Songti SC", "STSong", serif;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; height: 100%; overflow: hidden; background: #040406; color: var(--text); font-family: var(--font-serif); }
body { background: radial-gradient(1100px 700px at 50% 100%, rgba(212,180,122,.10), transparent 60%), #040406; }

#app { position: fixed; inset: 0; display: flex; align-items: center; justify-content: center; }
#stage {
  position: relative; width: 360px; height: 640px; overflow: hidden;
  background: var(--ink);
  box-shadow: 0 0 0 1px rgba(212,180,122,.10), 0 40px 140px rgba(0,0,0,.8);
  user-select: none; -webkit-user-select: none; touch-action: none;
}
@media (max-aspect-ratio: 10/16) { #stage { box-shadow: none; } }
#gl, #game { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
#gl { pointer-events: none; }
#ui { position: absolute; inset: 0; pointer-events: none; }
#ui button, #ui input, #ui a, .modal, .screen { pointer-events: auto; }
.hidden { display: none !important; }
body:not(.ready) #ui { opacity: 0; }
#ui { transition: opacity .8s ease; }

/* ---------- 按钮 ---------- */
button { font-family: inherit; cursor: pointer; border: 0; }
.btn-gold {
  position: relative; overflow: hidden; display: block;
  width: calc(var(--u) * 460); height: calc(var(--u) * 92); margin: 0 auto;
  border-radius: calc(var(--u) * 6);
  font-family: var(--font-serif); font-size: calc(var(--u) * 32); font-weight: 900;
  letter-spacing: calc(var(--u) * 14); text-indent: calc(var(--u) * 14);
  color: #1d1408; text-align: center; line-height: calc(var(--u) * 92); text-decoration: none;
  background: linear-gradient(180deg, #f6e9c9 0%, #dcc08a 50%, #b8955a 100%);
  box-shadow: 0 calc(var(--u)*14) calc(var(--u)*50) rgba(212,180,122,.25), inset 0 1px 0 rgba(255,255,255,.65);
  transition: transform .15s ease, filter .15s ease;
}
.btn-gold::after {
  content: ""; position: absolute; top: 0; bottom: 0; width: 30%; left: -50%;
  background: linear-gradient(100deg, transparent, rgba(255,255,255,.55), transparent);
  animation: shine 4s ease-in-out infinite;
}
.btn-gold:active { transform: scale(.98); filter: brightness(.95); }
@keyframes shine { 0%, 60% { left: -50%; } 90%, 100% { left: 130%; } }

.btn-ghost {
  display: block; margin: calc(var(--u)*18) auto 0;
  width: calc(var(--u) * 460); height: calc(var(--u) * 76);
  border-radius: calc(var(--u) * 6);
  background: rgba(10,10,14,.35);
  border: 1px solid var(--hair);
  color: var(--gold-1); font-family: var(--font-serif); font-weight: 600;
  font-size: calc(var(--u) * 26); letter-spacing: calc(var(--u)*8); text-indent: calc(var(--u)*8);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.btn-ghost:active { background: rgba(212,180,122,.12); }

.btn-mute {
  position: absolute; right: calc(var(--u)*26); bottom: calc(var(--u)*24); z-index: 5;
  width: calc(var(--u)*56); height: calc(var(--u)*56); border-radius: 50%;
  background: rgba(0,0,0,.4); border: 1px solid var(--hair);
  color: var(--gold-1); font-size: calc(var(--u)*24);
}
.btn-mute.off { opacity: .4; text-decoration: line-through; }

/* ---------- 屏幕 ---------- */
.screen {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center;
  padding: calc(var(--u)*96) calc(var(--u)*44) calc(var(--u)*56);
}
.screen > * { flex-shrink: 0; }

/* 标题页：车辆位于距底部约 470u 处 */
#screen-title {
  background: linear-gradient(0deg,
    rgba(4,4,7,.98) 0,
    rgba(4,4,7,.9) calc(var(--u) * 280),
    rgba(4,4,7,0) calc(var(--u) * 420),
    rgba(4,4,7,0) calc(var(--u) * 700),
    rgba(4,4,7,.35) calc(var(--u) * 860),
    rgba(4,4,7,.8) 100%);
}
.title-top { display: flex; align-items: center; gap: calc(var(--u)*18); }
.hair { width: calc(var(--u)*56); height: 1px; background: linear-gradient(90deg, transparent, var(--gold-2), transparent); }
.eyebrow { font-size: calc(var(--u)*20); letter-spacing: calc(var(--u)*6); color: var(--gold-2); white-space: nowrap; font-weight: 600; }
.logo {
  margin: calc(var(--u)*30) 0 0;
  font-family: var(--font-serif); font-weight: 900;
  font-size: calc(var(--u)*156); line-height: 1; letter-spacing: calc(var(--u)*18); text-indent: calc(var(--u)*18);
  background: linear-gradient(180deg, #fffaf0 0%, #efdcb2 40%, #c9a467 70%, #8d6a37 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  filter: drop-shadow(0 calc(var(--u)*10) calc(var(--u)*40) rgba(0,0,0,.6));
}
.logo-en {
  margin: calc(var(--u)*18) 0 0;
  font-family: var(--font-num); font-weight: 500;
  font-size: calc(var(--u)*20); letter-spacing: calc(var(--u)*8); color: rgba(243,228,194,.7);
}
.tagline {
  display: flex; align-items: center; gap: calc(var(--u)*20);
  margin: calc(var(--u)*30) 0 0; font-size: calc(var(--u)*26); letter-spacing: calc(var(--u)*6); color: var(--text); font-weight: 600;
}
.tagline i { display: inline-block; width: calc(var(--u)*6); height: calc(var(--u)*6); background: var(--gold-2); transform: rotate(45deg); }
.title-spacer { flex: 1; }
.rules {
  list-style: none; display: flex; width: calc(var(--u)*560);
  padding: calc(var(--u)*22) 0; margin: 0 0 calc(var(--u)*34);
  border-top: 1px solid var(--hair); border-bottom: 1px solid var(--hair);
}
.rules li { flex: 1; text-align: center; position: relative; }
.rules li + li::before { content: ""; position: absolute; left: 0; top: 15%; bottom: 15%; width: 1px; background: var(--hair); }
.rules b { display: block; font-family: var(--font-num); font-weight: 500; font-size: calc(var(--u)*40); color: var(--gold-1); letter-spacing: calc(var(--u)*2); }
.rules b small { font-size: .55em; margin-left: calc(var(--u)*3); color: var(--gold-2); }
.rules span { display: block; margin-top: calc(var(--u)*6); font-size: calc(var(--u)*19); color: var(--muted); letter-spacing: calc(var(--u)*3); }
.disclaimer { margin: calc(var(--u)*26) 0 0; font-size: calc(var(--u)*18); color: rgba(241,236,226,.32); letter-spacing: calc(var(--u)*4); }

/* ---------- 结算页 ---------- */
#screen-result {
  padding-top: calc(var(--u)*70);
  background: linear-gradient(180deg, rgba(4,4,7,.82), rgba(4,4,7,.96) 40%);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  overflow-y: auto;
  animation: fadeIn .5s ease;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.res-head {
  margin: 0; font-family: var(--font-serif); font-weight: 900;
  font-size: calc(var(--u)*72); letter-spacing: calc(var(--u)*14); text-indent: calc(var(--u)*14);
  background: linear-gradient(180deg, #ffffff 0%, #ffc2b8 55%, #d9382f 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: shake .5s ease 1;
}
.res-head.crash { background-image: linear-gradient(180deg, #fffaf0 0%, #efdcb2 50%, #b8955a 100%); }
@keyframes shake { 0%,100%{transform:translateX(0)} 20%{transform:translateX(-8px)} 40%{transform:translateX(7px)} 60%{transform:translateX(-4px)} 80%{transform:translateX(3px)} }

.memo {
  position: relative; width: 100%; margin-top: calc(var(--u)*30);
  padding: calc(var(--u)*36) calc(var(--u)*44) calc(var(--u)*30);
  border-radius: calc(var(--u)*4);
  color: #2a2117; font-family: var(--font-serif);
  background:
    radial-gradient(120% 80% at 20% 0%, rgba(255,255,255,.6), transparent 60%),
    repeating-linear-gradient(0deg, rgba(120,90,50,.03) 0 2px, transparent 2px 5px),
    linear-gradient(180deg, #faf5ea, #ece2cc);
  box-shadow: 0 calc(var(--u)*24) calc(var(--u)*70) rgba(0,0,0,.6);
  transform: rotate(-.5deg);
  animation: memoIn .5s cubic-bezier(.2,1.2,.4,1) .1s both;
}
@keyframes memoIn { from { opacity: 0; transform: translateY(30px) rotate(-2deg) scale(.96); } to { opacity: 1; transform: rotate(-.5deg); } }
.memo-title {
  text-align: center; font-size: calc(var(--u)*30); font-weight: 900; letter-spacing: calc(var(--u)*3);
  padding-bottom: calc(var(--u)*16); border-bottom: 2px solid #a8232a; color: #8a1b20;
}
.memo-body { margin-top: calc(var(--u)*18); font-size: calc(var(--u)*26); line-height: 1.75; font-weight: 600; }
.memo-body p { margin: 0; }
.memo-statement { text-indent: 2em; font-weight: 900; color: #1d160e; min-height: 3.5em; text-wrap: pretty; }
.memo-foot { display: flex; flex-direction: column; align-items: flex-end; margin-top: calc(var(--u)*10); font-size: calc(var(--u)*22); line-height: 1.6; font-weight: 600; }
.seal {
  position: absolute; right: calc(var(--u)*50); bottom: calc(var(--u)*8);
  width: calc(var(--u)*150); height: calc(var(--u)*150);
  color: rgba(206,32,38,.8); mix-blend-mode: multiply;
  transform: rotate(-14deg); opacity: 0;
}
.seal.stamp { animation: stamp .38s cubic-bezier(.5,0,.6,1.4) .6s forwards; }
@keyframes stamp { 0% { opacity: 0; transform: rotate(-14deg) scale(2.4); } 70% { opacity: 1; transform: rotate(-14deg) scale(.92); } 100% { opacity: 1; transform: rotate(-14deg) scale(1); } }
.seal svg { width: 100%; height: 100%; }

.res-title {
  margin-top: calc(var(--u)*34);
  font-size: calc(var(--u)*24); letter-spacing: calc(var(--u)*6); color: var(--gold-2); font-weight: 600;
  display: flex; align-items: center; gap: calc(var(--u)*16);
}
.res-title::before, .res-title::after { content: ""; width: calc(var(--u)*50); height: 1px; background: var(--hair); }
.res-title b { color: var(--gold-1); font-weight: 900; }

.stats {
  display: grid; grid-template-columns: repeat(3, 1fr);
  width: 100%; margin-top: calc(var(--u)*24);
  border-top: 1px solid rgba(255,255,255,.08);
}
.stats div { padding: calc(var(--u)*18) 0 calc(var(--u)*16); text-align: center; border-bottom: 1px solid rgba(255,255,255,.08); position: relative; }
.stats div:not(:nth-child(3n+1))::before { content: ""; position: absolute; left: 0; top: 22%; bottom: 22%; width: 1px; background: rgba(255,255,255,.08); }
.stats b { display: block; font-family: var(--font-num); font-weight: 500; font-size: calc(var(--u)*46); color: #fff; }
.stats div:first-child b { color: var(--gold-1); }
.stats span { display: block; margin-top: calc(var(--u)*2); font-size: calc(var(--u)*18); color: var(--muted); letter-spacing: calc(var(--u)*2); }
.res-best { margin-top: calc(var(--u)*14); min-height: calc(var(--u)*30); font-size: calc(var(--u)*21); color: var(--gold-2); letter-spacing: calc(var(--u)*3); font-weight: 600; }

.submit-row { display: flex; gap: calc(var(--u)*12); width: calc(var(--u)*560); margin-top: calc(var(--u)*8); }
.submit-row input {
  flex: 1; min-width: 0; height: calc(var(--u)*70); padding: 0 calc(var(--u)*22);
  border-radius: calc(var(--u)*6); border: 1px solid rgba(255,255,255,.14);
  background: rgba(0,0,0,.4); color: #fff;
  font-family: var(--font-ui); font-size: calc(var(--u)*25); outline: none;
}
.submit-row input:focus { border-color: var(--gold-2); }
.btn-icon { width: calc(var(--u)*70); height: calc(var(--u)*70); border-radius: calc(var(--u)*6); background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.14); font-size: calc(var(--u)*28); }
.btn-line {
  height: calc(var(--u)*70); padding: 0 calc(var(--u)*30); border-radius: calc(var(--u)*6);
  background: transparent; border: 1px solid var(--gold-2);
  color: var(--gold-1); font-size: calc(var(--u)*24); letter-spacing: calc(var(--u)*4); font-weight: 600;
}
.btn-line:disabled { opacity: .4; }
.submit-msg { min-height: calc(var(--u)*44); margin: calc(var(--u)*10) 0 calc(var(--u)*6); font-size: calc(var(--u)*21); color: var(--muted); text-align: center; font-family: var(--font-ui); }
.row2 { display: flex; gap: calc(var(--u)*16); width: calc(var(--u)*460); }
.row2 .btn-ghost { flex: 1; width: auto; letter-spacing: calc(var(--u)*4); text-indent: calc(var(--u)*4); }

/* ---------- 弹窗 ---------- */
.modal {
  position: absolute; inset: 0; z-index: 10; display: flex; align-items: flex-end;
  background: rgba(2,2,4,.6); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  animation: fadeIn .2s ease;
}
.sheet {
  width: 100%; max-height: 86%; display: flex; flex-direction: column;
  padding: calc(var(--u)*34) calc(var(--u)*38) calc(var(--u)*44);
  background: linear-gradient(180deg, #15151c, #0a0a0f);
  border-top: 1px solid var(--hair);
  box-shadow: 0 -20px 60px rgba(0,0,0,.6);
  animation: sheetUp .35s cubic-bezier(.2,.9,.3,1);
}
@keyframes sheetUp { from { transform: translateY(40%); opacity: .3; } to { transform: none; opacity: 1; } }
.sheet-head { display: flex; align-items: center; justify-content: space-between; }
.sheet-head h3 { margin: 0; font-size: calc(var(--u)*34); font-weight: 900; letter-spacing: calc(var(--u)*8); color: var(--gold-1); }
.btn-close { width: calc(var(--u)*56); height: calc(var(--u)*56); border-radius: 50%; background: rgba(255,255,255,.05); color: #fff; font-size: calc(var(--u)*24); }
.tabs { display: flex; gap: calc(var(--u)*28); margin: calc(var(--u)*24) 0 calc(var(--u)*10); border-bottom: 1px solid rgba(255,255,255,.08); }
.tab { padding: calc(var(--u)*14) 0; background: none; color: var(--muted); font-size: calc(var(--u)*24); letter-spacing: calc(var(--u)*2); border-bottom: 2px solid transparent; margin-bottom: -1px; }
.tab.active { color: var(--gold-1); border-bottom-color: var(--gold-2); font-weight: 900; }
.board-list { overflow-y: auto; min-height: calc(var(--u)*500); }
.board-row { display: grid; grid-template-columns: calc(var(--u)*76) 1fr auto; align-items: center; padding: calc(var(--u)*18) calc(var(--u)*6); border-bottom: 1px solid rgba(255,255,255,.05); }
.board-row .rk { font-family: var(--font-num); font-size: calc(var(--u)*34); color: var(--muted); text-align: center; }
.board-row:nth-child(1) .rk { color: #f2d38c; }
.board-row:nth-child(2) .rk { color: #d6dbe4; }
.board-row:nth-child(3) .rk { color: #d39b66; }
.board-row .nm { font-family: var(--font-ui); font-size: calc(var(--u)*26); color: #fff; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.board-row .tt { display: block; margin-top: calc(var(--u)*4); font-family: var(--font-serif); font-size: calc(var(--u)*19); color: var(--muted); }
.board-row .sc { font-family: var(--font-num); font-size: calc(var(--u)*38); color: var(--gold-1); }
.board-row.me { background: rgba(212,180,122,.07); }
.board-empty { padding: calc(var(--u)*80) 0; text-align: center; color: var(--muted); font-size: calc(var(--u)*25); line-height: 1.9; }
.investigate { padding: calc(var(--u)*70) calc(var(--u)*20); text-align: center; }
.investigate p { margin: 0 0 calc(var(--u)*26); font-size: calc(var(--u)*27); color: var(--text); letter-spacing: calc(var(--u)*3); font-weight: 600; }
.investigate small { display: block; margin-top: calc(var(--u)*20); color: var(--muted); font-size: calc(var(--u)*21); }
.pbar { height: 2px; background: rgba(255,255,255,.08); overflow: hidden; }
.pbar i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, #9c7a45, #f3e4c2); animation: stuck 2.4s cubic-bezier(.1,.8,.2,1) forwards; }
@keyframes stuck { to { width: 99%; } }

.sheet-share { align-items: center; }
.sheet-share .sheet-head { width: 100%; }
#share-img { width: 76%; margin-top: calc(var(--u)*22); border-radius: calc(var(--u)*6); box-shadow: 0 10px 40px rgba(0,0,0,.6); pointer-events: auto; -webkit-touch-callout: default; user-select: auto; }
.share-tip { color: var(--muted); font-size: calc(var(--u)*21); margin: calc(var(--u)*18) 0; font-family: var(--font-ui); }

body.no-webgl #stage::after {
  content: "当前浏览器不支持 WebGL，请换用系统浏览器打开"; position: absolute; left: 0; right: 0; top: 40%;
  text-align: center; color: var(--gold-1); font-size: 14px;
}